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Digital Electronics

Digital Electronics
Which of the following is a digital device

 Light switch
 Regulator of a fan
 Microphone
 Resistance of a material

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Digital Electronics
Fastest memory element is

 Cache
 ROM
 RAM
 Hard Drive

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Digital Electronics
The NAND-NAND realization is equivalent to

 AND-OR realization
 OR-AND realization
 NOT-OR realization
 AND-NOT realization

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Digital Electronics
If two numbers in excess-3 code are added and the result is less than 9, then to get equivalent binary

 0110 is subtracted
 0110 is added
 0011 is subtracted
 0011 is added

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Digital Electronics
Which of the following memories uses one transistor and one capacitor as basic memory unit

 DRAM
 None
 Both SRAM and DRAM
 SRAM

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Digital Electronics
Which of these circuits will give yield carry with more delay 1. Carry look ahead adder 2. Ripple carry adder

 1.
 2.
 both are same
 none

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MORE MCQ ON Digital Electronics

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